Audio speaker for sound machine



FIG. 1 is a front perspective view of a audio speaker for a sound machine;

FIG. 2 is a frontal plan view thereof.

FIG. 3 is a rear plan view thereof.

FIG. 4 is a side plan view thereof.

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line showing on the drawing disclosure is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an audio speaker for sound machine, as shown and described. 